1. Hydraulic Fittings 2. Size: 3/8"-160" 3. Pressure: PN6-PN160 ... ), Welding-Neck Flange (WN), Threaded Flange (TH), etc.American SeriesCLASS 150, CLASS 300, CLASS 400, CLASS 600, CLASS 900, CLASS 1500 ... are also our products and special design are warmly welcome. Hydraulic Fittings